Search
thoracolumbar fascia/aponeurosis
An extensive fascial sheet that splits into 3 layers: posterior, middle & anterior.
-> posterior & middle layers: surround erector spinae muscles
-> middle & anterior layers: surround quadratus lumborum The lumbar part of this fascia extends between the 12th rib & the iliac crest, becomes thin & transparent where it covers the thoracic part of the deep muscles(serratus posterior superior) & is reinforced inferiorly by the latissimus dorsi & serratus posterior inferior muscles.
Attachment: laterally to the internal oblique & transversus abdominis muscles.
Related
iliacus muscle
quadratus lumborum fascia
General
fascia (superficial/deep)
References
- Clinically Oriented Anatomy, 4th edition, KL Moore &
AF Dalley (eds), Lippincott Williams & Wilkins, Philadelphia,
PA 1999.
- Stedman's Medical Dictionary 27th ed, Williams &
Wilkins, Baltimore, 1999.
Component-of
abdominal wall
Images
images related to thoracolumbar fascia/aponeurosis